/*
 * Copyright � 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System.Runtime.Serialization;

namespace Spring.Validation;

/// <summary>
/// Thrown by the validation advice if the method parameters validation fails.
/// </summary>
/// <author>Aleksandar Seovic</author>
[Serializable]
public class ValidationException : Exception
{
    private readonly IValidationErrors errors;

    /// <summary>
    /// Creates a new instance of the ValidationException class.
    /// </summary>
    public ValidationException()
    {
    }

    /// <summary>
    /// Creates a new instance of the ValidationException class with
    /// specified validation errors.
    /// </summary>
    /// <param name="errors">
    /// Validation errors.
    /// </param>
    public ValidationException(IValidationErrors errors)
    {
        this.errors = errors;
    }

    /// <summary>
    /// Creates a new instance of the ValidationException class with the
    /// specified message.
    /// </summary>
    /// <param name="message">
    /// A message about the exception.
    /// </param>
    public ValidationException(string message)
        : base(message)
    {
    }

    /// <summary>
    /// Creates a new instance of the ValidationException class with the
    /// specified message and validation errors.
    /// </summary>
    /// <param name="message">
    /// A message about the exception.
    /// </param>
    /// <param name="errors">
    /// Validation errors.
    /// </param>
    public ValidationException(string message, IValidationErrors errors)
        : base(message)
    {
        this.errors = errors;
    }

    /// <summary>
    /// Creates a new instance of the ValidationException class with the
    /// specified message and root cause.
    /// </summary>
    /// <param name="message">
    /// A message about the exception.
    /// </param>
    /// <param name="rootCause">
    /// The root exception that is being wrapped.
    /// </param>
    public ValidationException(string message, Exception rootCause)
        : base(message, rootCause)
    {
    }

    /// <summary>
    /// Creates a new instance of the ValidationException class with the
    /// specified message, root cause and validation errors.
    /// </summary>
    /// <param name="message">
    /// A message about the exception.
    /// </param>
    /// <param name="rootCause">
    /// The root exception that is being wrapped.
    /// </param>
    /// <param name="errors">
    /// Validation errors.
    /// </param>
    public ValidationException(string message, Exception rootCause, IValidationErrors errors)
        : base(message, rootCause)
    {
        this.errors = errors;
    }

    /// <summary>
    /// Creates a new instance of the ValidationException class.
    /// </summary>
    /// <param name="info">
    /// The <see cref="System.Runtime.Serialization.SerializationInfo"/>
    /// that holds the serialized object data about the exception being thrown.
    /// </param>
    /// <param name="context">
    /// The <see cref="System.Runtime.Serialization.StreamingContext"/>
    /// that contains contextual information about the source or destination.
    /// </param>
    protected ValidationException(
        SerializationInfo info, StreamingContext context)
        : base(info, context)
    {
        this.errors = (IValidationErrors) info.GetValue("errors", typeof(IValidationErrors));
    }

    /// <summary>
    /// Implements object serialization.
    /// </summary>
    /// <param name="info">
    /// The <see cref="System.Runtime.Serialization.SerializationInfo"/>
    /// that holds the serialized object data about the exception being thrown.
    /// </param>
    /// <param name="context">
    /// The <see cref="System.Runtime.Serialization.StreamingContext"/>
    /// that contains contextual information about the source or destination.
    /// </param>
    public override void GetObjectData(SerializationInfo info, StreamingContext context)
    {
        base.GetObjectData(info, context);
        info.AddValue("errors", this.errors);
    }

    /// <summary>
    /// Gets validation errors.
    /// </summary>
    /// <value>Validation errors.</value>
    public IValidationErrors ValidationErrors
    {
        get { return errors; }
    }
}
